Year	Percent of GDP
1980	43.695
1981	47.027
1982	52.611
1983	58.588
1984	62.115
1985	67.307
1986	69.169
1987	71.521
1988	73.93
1989	73.975
1990	75.259
1991	75.053
1992	75.831
1993	76.909
1994	73.731
1995	72.212
1996	70.483
1997	64.852
1998	61.663
1999	57.532
2000	50.902
2001	48.16
2002	47.535
2003	48.716
2004	49.113
2005	48.475
2006	44.069
2007	41.973
2008	53.79
2009	55.832
2010	59.263
2011	61.704
2012	66.221
2013	67.665
2014	67.857
2015	64.651
2016	61.891
2017	56.957
2018	54.437
2019	52.045
2020	49.875
2021	47.438
2022	44.861
2023	42.348
2024	39.793